The 9 Best Platypus Gravityworks 40L Water Filter System

The Platypus GravityWorks 4.0 Liter High-Capacity Water Filtration System is ideal for basecamps, group and family camping, outdoor activities, and emergency preparedness. It does not require pumps, batteries, moving parts, or chemicals, ensuring access to clean water from contaminated sources, in situations ranging from adventure to survival. The replaceable hollow-fiber microfilter cartridge filters up to 1,500 gallons of water, and meets all EPA and NSF guidelines for removal of 99.9999% of bacteria and 99.9% of protozoa, including Giardia, Cryptosporidium, E. coli, Salmonella, and Cholera. The water filtration system is easy to use almost anywhere. Simply scoop water from a lake, river, stream, or other contaminated water source into the 4.0-liter dirty water reservoir, and suspend above the 4.0-liter clean water reservoir. Water flows through the walls of the bundled fibers at rate of 1.75 liters/minute, leaving impurities behind, and filling the 4.0-liter clean water reservoir in just 2.5 minutes. It’s also easy to maintain in the field, backflushing in just four seconds to clean and restore performance. The Platypus GravityWorks 4.0 Liter High-Capacity Water Filtration System includes a 4-liter dirty water reservoir, 4-liter clean water reservoir, hollow-fiber microfilter, hoses, shutoff clamp, and storage sack. The complete kit is compact, packing down to the size of a one-liter water bottle, and weighs just 11.5 ounces. Made in the USA.

Replacement filter cartridge filters to 0.2 micron. Meets EPA Guide Standard for removal of bacteria and protoza. Dimentions: 4.5×14.7cm/1.8×5.8in

The Platypus GravityWorks 2.0L Complete Water Filter Kit for camping, backpacking, and emergency preparedness is a versatile, adaptable water filter solution, compatible with a variety of hydration vessels, including hydration bladders and water bottles from MSR, Nalgene, Klean Kanteen, Hydroflask, Camelback, and more. Ultralight (weighs as little as 6.6 ounces in minimalist configuration), and packable to the size of a 1-liter bottle, it’s ideal for filtering water for 1-4 people while hiking, camping, or trekking. The replaceable hollow-fiber microfilter cartridge filters up to 1,500 gallons of water, and meets EPA and NSF guidelines for removal of 99.9999% of bacteria and 99.9% of protozoa, including giardia, cryptosporidium, E. coli, salmonella, and cholera. The water filtration system is easy to use almost anywhere, by scooping water from a lake, river, stream into the 2.0-liter dirty water reservoir, and suspending above a bottle or other clean water reservoir. Water flows through the walls of the bundled fibers at rate of 1.5 liters/minute, leaving impurities behind, without the use of pumps, batteries, moving parts, or chemicals. It’s also easy to maintain in the field, backflushing in just four seconds to clean and restore performance. The Platypus GravityWorks 2.0L Complete Water Filter Kit Includes a 2-liter dirty water reservoir, 2-liter Platy bottle, hollow-fiber filter, hoses, universal bottle adapter, push/pull cap adapter, and storage bag. Made in the USA.

The minimalist GravityWorks 2.0L Bottle Kit system is both ultralight and ultracompact, thanks to a simple adapter that easily connects the pump-free water filter system directly to a water bottle or hydration reservoir, conveniently filtering water for 1-4 people in the backcountry. Bottle Kit: Minimalist setup uses a Universal Bottle Adapter to connect the system directly to an existing water bottle or reservoir*. No pumping: Just fill the dirty reservoir, hang it, and let gravity do the hard work. Fast: Filters up to 1.5 liters per minute; filter lifetime up to 1,500 liters of water. Effective: Meets all EPA & NSF guidelines for the removal of 99.9999% of bacteria and 99.9% of protozoa**. Ultralight & Ultracompact: System can weigh as little as 6.6 oz. (187 g) and stows smaller than most 1L bottles. Field-cleanable: Microfilter can be easily backflushed in 4 seconds to maintain filter performance. Hollow Fiber Advantage: Hundreds of tiny, hollow fibers, enable the microfilter to filter water faster than traditional filter media. Easy collecting & dispensing: Collecting water is easy—simply open the top, scoop water, and close; control delivery of filtered water with hose shutoff clamp. Comes with: 2.0L Dirty reservoir, Hollow Fiber microfilter, Universal Bottle Adapter, hoses, storage sack. *Adapter interfaces with all Platypus bottles and most from MSR, Nalgene, Klean Kanteen, CamelBak and many more (these trademarks are not owned by Cascade Designs, Inc.). **This includes Giardia, Cryptosporidium, E. coli, Salmonella and Cholera. Made in U.S.A. of U.S. and Imported Materials.

Replace worn-out or damaged reservoirs, or adapt the capacity of your existing GravityWorks system to meet the needs of any trip.

Product Description

Replace worn-out or damaged reservoirs, or adapt the capacity of your existing GravityWorks system to meet the needs of any trip.

From the Manufacturer

The Platypus 2L Reservoir replacement kit Includes one, 2-litre Dirty collection reservoir with female quick disconnect fitting.

The Platypus Platy 2-Liter Ultralight Collapsible Water Bottle is not just an outdoor essential, but an everyday, everyone, everywhere essential. Reusable, and refillable, it’s significantly lighter in weight than a hard water bottle of comparable volume and, when empty, collapses to take up a fraction of the space. While it’s designed for outdoor pursuits like camping, thru-hiking, and backpacking, it’s also perfect for travel, when space is at a premium, and is a safe option for the pool and beach, or anywhere that glass is impractical or hazardous. BPA-free, BPS-free, and phthalate-free, its food-grade polyethylene liner does not taste like plastic and does not retain flavors, so it can hold water one day, and wine the next. When filled, the base expands so that the bottle stands upright; screw top keeps contents secure. The Platypus Platy 2-Liter Lightweight Foldable Water Bottle is compatible with all Platypus caps and drink tubes, and can be paired with a water filter, and the GravityWorks Water Filtration System. Bottle weighs just 1.3 ounces and measures 13.8 x 17.5 inches; total capacity of 2.1 liters (70 ounces). Made in the USA. Manufacturer’s limited lifetime warranty.

The Platypus Big Zip EVO Hands-Free Hydration System Reservoir offers an evolution in taste-free hydration. Delivering an extremely high flow rate, self-sealing HyFLO bite valve, large 5/16-inch drink tube, simple one-handed filling, easy cleaning, fast drying, quick access drink tube disconnect, leak-proof shutoff valve, and more, the Big Zip EVO is a top pick for hikers, backpackers, travelers and mountain bikers. This hydration reservoir features embedded silver-ion to protect clean water from mold and bacteria. All materials are certified food-grade, BPA-, BPS-, phthalate-free and taste-free for a clean taste. The Platypus Big Zip EVO is available in 3 sizes: the 1.5-Liter measures 8.5 x 13 inches and weighs 5.6 ounces; the 2.0-Liter measures 8.7 x 15 inches and weighs 6 ounces, and the 3.0-Liter measures 9 x 17.2 inches and weighs 6.5 ounces. Manufacturer’s limited lifetime warranty. Made in the USA.

A lightweight, robust solution for filtering large quantities of water, Sawyer’s Gravity System with dual-threaded MINI filter is ideal for backpacking, backcountry camping, and emergency preparedness. Available in two models, the 1-Gallon Gravity System (SP160) comes with one bag and a MINI, while the 1-Gallon Dual Bladder Gravity System (SP2160) comes with two bags (one for dirty water, one for clean) and a MINI.

The Sawyer dual-threaded MINI water filter weighs just 2 ounces, fits in the palm of your hand, and is rated to 0.1 micron absolute filtration — removing 99.99999% of all bacteria, such as salmonella, cholera, and E.coli, and removing 99.9999% of all protozoa (such as giardia and cryptosporidium). The MINI also filters out 100% of microplastics. With threads on both sides, you can screw the push pull cap onto the MINI for easy on/off functionality while filtering.

Convenient and easily packable, this single- and dual-bag gravity system doesn’t require any pumping and is perfect for camping, hunting, fishing, scouting, disaster relief, and emergency preparedness kits, as well as on adventure travel excursions where potable tap and bottled water are not easily carried or safe to drink.

The 1-gallon bladders feature a wide mouth cap that allows for fast and easy filling, as well as a convenient carry handle.

SP160 Single Bladder Gravity System
To set up the SP160 gravity-based filter system, first fill the reservoir with water from any source (a lake, stream, pond, glacier, kitchen faucet, etc.). Hang the bag — from a tree, the back of your pack, or hold it up with your hand — and connect the MINI to the included hose and let gravity do its work. Water will flow through the MINI to produce fresh, clean water for drinking and cooking (separate container required for clean water capture).

The SP160 package includes a dual-threaded MINI water filter, 1-gallon bladder, cleaning plunger, and gravity hose with adapters. It also comes with Sawyer’s Cleaning Coupling accessory, which enables you to effectively backwash and clean the MINI filter using a standard plastic water or soda bottle.

SP2160 Dual Bladder Gravity System
Similar in operation to the SP160, the SP2160 system includes a second “Clean Water” 1-gallon reservoir to hold your filtered water. Fill the dirty water bladder with water from any source, then connect the MINI and tubing between the dirty bag and clean bag. Hang the dirty bladder to allow gravity to help water to flow through the MINI to the second clean bladder below.

The SP2160 package includes a dual-threaded MINI water filter, dirty water bladder, clean water bladder, tube adapter with shutoff clamp, inline adapters, tube adapter, long tube, hanging strap with S-biner, cleaning plunger, cleaning coupling, push-pull cap, and hose guide.

MINI Filter, Full Size Performance

The MINI water filter houses a cluster of micro-fibrous tubes that use similar technology found in medical dialysis. As water passes through the side walls of the tubes, harmful bacteria and protozoa are trapped on the outer walls, so you can be confident your water is safe to drink.

Rated to filter up to 100,000 gallons, the MINI’s filtering membranes are sturdy enough to withstand backwashing using the included syringe, restoring up to 98.5% of the filter’s flow rate. Sawyer individually tests each and every MINI three times to performance standards before packaging.

About Sawyer
Since 1984, Sawyer Products has offered the best, most technologically advanced solutions for protection against sun, bugs, water, and injuries — everything from first aid kits developed for wilderness to point-of-use water filters that filter contaminated water to levels cleaner than U.S. bottled water.

Conclusion

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